#ifndef __GLUES_H__
#define __GLUES_H__

#import <OpenGLES/ES1/gl.h>

GLint gluUnProject(GLfloat winx, GLfloat winy, GLfloat winz,
				   const GLfloat modelMatrix[16], 
				   const GLfloat projMatrix[16],
				   const GLint viewport[4],
				   GLfloat *objx, GLfloat *objy, GLfloat *objz);

void gluPerspectivef(GLfloat fovy, GLfloat aspect, GLfloat n, GLfloat f);

void gluLookAtf(GLfloat eyex, GLfloat eyey, GLfloat eyez, GLfloat centerx,
				GLfloat centery, GLfloat centerz, GLfloat upx, GLfloat upy, GLfloat upz);

#endif // __GLUES_H__